Uracil-6-carboxylic Acid

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:16742
http://www.hmdb.ca/metabolites/HMDB0000226
http://www.genome.jp/dbget-bin/www_bget?drug:D00055
http://www.genome.jp/dbget-bin/www_bget?cpd:C00295
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=967
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46508903
https://www.chemspider.com/Chemical-Structure.942.html
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=7712
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=16742
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1235017
https://zinc.docking.org/substances/ZINC000001408068
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DNC001065
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/ORO
https://en.wikipedia.org/wiki/Orotic_acid